Sasuke could finally regain his Rinnegan in Boruto. This power up could allow him to compete with other characters.

Sarada needs the Rinnegan if she wants to scale up to the stronger enemies in Boruto. She could obtain this power.

At the same time ... upon first look. Ada's ability could be key to Sasuke receiving a major power up later down the line when things are reversed. Perhaps, Sasuke will regain his Rinnegan ...